Bilbao (BIO) to San Francisco (SFO) flight deal in economy from $649
$921 USD
-30%$649 USD
Verified about 3 hours agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
19% of dates checked are available within 10% of the lowest price
Sunday, December 27th, 2026
10 round-trip options
Returning
Fri, Jan 1, 2027•5 Day Trip
$1,405 USD
Returning
Sat, Jan 2, 2027•6 Day Trip
$1,605 USD
Returning
Sun, Jan 3, 2027•7 Day Trip
$1,331 USD
Returning
Mon, Jan 4, 2027•8 Day Trip
$1,376 USD
Returning
Tue, Jan 5, 2027•9 Day Trip
$1,308 USD
Returning
Wed, Jan 6, 2027•10 Day Trip
$1,308 USD
Returning
Thu, Jan 7, 2027•11 Day Trip
$1,303 USD
Returning
Fri, Jan 8, 2027•12 Day Trip
$1,320 USD
Returning
Sat, Jan 9, 2027•13 Day Trip
$1,151 USD
Returning
Sun, Jan 10, 2027•14 Day Trip
$1,118 USD